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Quartz
Quartz

Sogdianite
Sogdianite



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Quartz
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Sogdianite

Quartz and Sogdianite Optical Properties

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
None
0.01
Transparent, Translucent, Transparent to translucent
1.544-1.553
-
Trigonal
0.009
Opaque
 
-
-
0.01
-
1.606-1.608
-
-
0.002
OpaqueUlrich Henn and Claudio C. Milisenda

Quartz and Sogdianite Optic Character

Quartz and Sogdianite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Quartz Vs Sogdianite like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Quartz and Sogdianite optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Quartz and Sogdianite Transparency

Similar to their colors, Quartz and Sogdianite transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Quartz is while Quartz is in appearance.